Home / 10,104.28-15,162.90-4,907.32

Finding the Fourth Proportional to 10,104.28, 15,162.90 and 4,907.32

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Solution

The fourth proportional to 10,104.28, 15,162.90 and 4,907.32 is: 7,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.28 : 15,162.90 = 4,907.32 : x
  2. Step 2: Convert to fraction form
    10,104.28/15,162.90 = 4,907.32/x
  3. Step 3: Cross multiply
    10,104.28x = 15,162.90 × 4,907.32
  4. Step 4: Simplify right side
    10,104.28x = 74,409,146.12
  5. Step 5: Solve for x
    x = 74,409,146.12/10,104.28
  6. Step 6: Final answer
    x = 7,364.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.